CN219459011U

CN219459011U - High-efficient radiating photovoltaic inverter casing

Info

Publication number: CN219459011U
Application number: CN202223590796.XU
Authority: CN
Inventors: 黄章兵
Original assignee: Nantong Xingmingjiang Precision Hardware Co ltd
Current assignee: Nantong Xingmingjiang Precision Hardware Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-08-01
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a photovoltaic inverter shell with high-efficiency heat dissipation, which comprises a shell, wherein a shell cover is arranged on one side of an opening of the shell, a photovoltaic inverter main body is arranged on one side, close to the shell cover, of the inside of the shell, an air duct is inserted into the central position, far away from the shell cover, of the shell, a rotating rod is vertically and symmetrically inserted into one end, located inside the shell, of the air duct, air deflectors are sleeved on the outer peripheral surfaces, located between the inner walls of the air ducts, of the rotating rod, a heat dissipation assembly for cooling the photovoltaic inverter main body is arranged on one side, far away from the shell, of the air duct, and a reciprocating driving assembly for controlling the rotation of the air deflectors is arranged at the top of the rotating rod. According to the utility model, the heat radiation assembly is matched with the reciprocating driving assembly, so that the air deflector can be driven to rotate simultaneously when the through-flow fan is driven to radiate heat, and cold air sucked by the through-flow fan is guided in multiple angles when the air deflector rotates, thereby changing the wind direction, improving the heat radiation area, improving the heat radiation efficiency and greatly reducing the production cost.

Description

High-efficient radiating photovoltaic inverter casing

Technical Field

The utility model relates to the technical field of photovoltaic inverters, in particular to a photovoltaic inverter shell with efficient heat dissipation.

Background

A photovoltaic inverter is an inverter that converts a variable direct current voltage produced by a Photovoltaic (PV) solar panel into a mains frequency Alternating Current (AC) that can be fed back to a commercial power transmission system or used with an off-grid. The photovoltaic inverter is one of important system Balance (BOS) in a photovoltaic array system and can be used with general alternating current power supply equipment. The solar inverter has special functions such as maximum power point tracking and island effect protection in cooperation with the photovoltaic array.

In the use of photovoltaic inverter, because there is current input and output constantly, consequently can make photovoltaic inverter produce great heat, so need carry out timely heat dissipation to photovoltaic inverter, avoid high temperature to produce great influence to the dc-to-ac converter, in conventional inverter casing, can adopt fan radiating mode, this kind of mode is simple to use, low cost and can obtain good radiating effect, but to some photovoltaic inverter that the volume is great, use fan heat dissipation can only dispel the heat to the partial area of dc-to-ac converter, and carry out large tracts of land heat dissipation through the mode that increases the fan, can use the sky to the inside of casing to influence, manufacturing cost also can increase thereupon, consequently, need not increase the effective radiating area of heat dissipation spare part while, we have proposed a high-efficient radiating photovoltaic inverter casing to this point.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a photovoltaic inverter shell with high-efficiency heat dissipation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a high-efficient radiating photovoltaic inverter casing, includes the casing, casing opening one side is equipped with the cap, inside being close to cap one side of casing is equipped with the photovoltaic inverter main part, the casing is kept away from cap one side central point and is put and insert and be equipped with the wind channel, the wind channel is located the inside one end vertical symmetry rotation of casing and inserts and be equipped with the bull stick, the bull stick is located the equal cover in position department outer peripheral face between the wind channel inner wall and is equipped with the aviation baffle, wind channel is kept away from casing one side and is equipped with the cooling module that is used for cooling for the photovoltaic inverter main part, the bull stick top is equipped with and is used for controlling aviation baffle pivoted reciprocal drive assembly.

Preferably, the heat dissipation assembly comprises a rotating shaft which is rotatably inserted in the middle position of one end of the air duct far away from the top of the shell, a through-flow fan is sleeved on the outer peripheral surface of the rotating shaft at the inner position of the air duct, a motor is coaxially arranged at the top of the rotating shaft, and an output shaft of the motor is coaxially connected with the top of the rotating shaft.

Preferably, the reciprocating driving assembly comprises gears which are all sleeved at the top of the rotating rod, the gears are transversely meshed with the same racks near one side of the cross flow fan, the racks are slidably connected with the top of the air duct at the position of the inside of the shell, a connecting block is arranged at the central position of one side of the racks near the cross flow fan, a reciprocating screw is transversely inserted at the central position of the connecting block, mounting seats are symmetrically sleeved at two ends of the reciprocating screw, the mounting seats are fixedly arranged at the top of the position of the inside of the shell of the same air duct, the connecting block is axially slidably connected with the top of the air duct along the reciprocating screw, and one end of the reciprocating screw is provided with a joint transmission assembly for controlling the rotation of the reciprocating screw.

Further, the combined transmission assembly comprises a worm wheel sleeved at one end of the reciprocating screw, a worm is vertically meshed with one side of the worm wheel, which is close to the motor, the bottom of the worm is rotationally connected to the top of the air duct, a belt pulley is sleeved at the top of the worm, the combined transmission assembly further comprises a belt pulley sleeved on the outer peripheral surface of the position, which is close to the position between the motor and the air duct, of the rotating shaft, and the belt pulley is sleeved with the same transmission belt.

Still further, a plurality of ventholes have been seted up at the casing top, the venthole is linked together with the casing inside.

Preferably, a filter screen is inserted into the inner wall of one end of the air duct far away from the shell.

The beneficial effects of the utility model are as follows:

1. through the cooperation of the heat dissipation assembly and the reciprocating driving assembly, the air deflector can be driven to rotate simultaneously when the through-flow fan is driven to dissipate heat, and cold air sucked by the through-flow fan can be guided in multiple angles when the air deflector rotates, so that the wind direction can be changed, the heat dissipation area can be increased, the heat dissipation dead angle can be reduced, the heat dissipation efficiency can be improved, and meanwhile, the heat dissipation and the temperature reduction can be carried out under the condition that the fan is not increased, and the production cost is greatly reduced;

2. through the venthole that sets up, can be with the steam after carrying out heat exchange, discharge fast through the venthole under the state of appearance come-up to the heat accumulation of the inside greatly reduced casing, and then effectively improve the radiating effect.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as the preferred embodiments thereof, together with the following detailed description of the utility model, given by way of illustration only, together with the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of a photovoltaic inverter housing with efficient heat dissipation according to the present utility model;

fig. 2 is a schematic structural diagram of a heat dissipation assembly of a photovoltaic inverter housing with efficient heat dissipation according to the present utility model;

fig. 3 is a schematic diagram of an air deflector of a photovoltaic inverter housing with efficient heat dissipation according to the present utility model;

fig. 4 is a schematic structural diagram of a reciprocating driving assembly of a photovoltaic inverter housing with efficient heat dissipation according to the present utility model;

fig. 5 is a schematic structural diagram of a joint transmission assembly of a photovoltaic inverter housing with efficient heat dissipation according to the present utility model;

fig. 6 is a schematic diagram of a partial enlarged structure of a portion a of fig. 4 of a photovoltaic inverter housing with efficient heat dissipation according to the present utility model;

fig. 7 is a schematic diagram of a part of the enlarged structure of the B part of fig. 5 of the photovoltaic inverter housing with high heat dissipation efficiency according to the present utility model.

In the figure: 1. a housing; 2. a cover; 3. a photovoltaic inverter body; 4. an air outlet hole; 5. an air duct; 6. a rotating shaft; 7. a cross-flow fan; 8. a filter screen; 9. a motor; 10. an air deflector; 11. a rotating rod; 12. a gear; 13. a rack; 14. a connecting block; 15. a reciprocating screw; 16. a mounting base; 17. a worm wheel; 18. a worm; 19. a belt pulley; 20. a drive belt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Embodiment 1, refer to fig. 1 through 7, a high-efficient radiating photovoltaic inverter casing, including casing 1, casing 1 opening one side is equipped with cap 2, casing 1 inside is close to cap 2 one side and is equipped with photovoltaic inverter main part 3, casing 1 is kept away from cap 2 one side central point department and is inserted and is equipped with wind channel 5, wind channel 5 is located the inside one end vertical symmetry rotation of casing 1 and inserts and be equipped with bull stick 11, the position department outer peripheral face that bull stick 11 is located between the wind channel 5 inner walls all overlaps and is equipped with aviation baffle 10, wind channel 5 is kept away from casing 1 one side and is equipped with the radiator unit who is used for cooling for photovoltaic inverter main part 3, bull stick 11 top is equipped with and is used for controlling aviation baffle 10 pivoted reciprocal drive assembly.

In this embodiment, the cooling module includes rotating the pivot 6 of inserting in the wind channel 5 and keeping away from casing 1 one end top intermediate position department, pivot 6 is located wind channel 5 internal position department outer peripheral cover and is equipped with through-flow fan 7, the coaxial motor 9 that is equipped with in pivot 6 top, motor 9 output shaft links to each other with pivot 6 top coaxial, reciprocating drive module includes the gear 12 that all overlaps and locates the bull stick 11 top, gear 12 is close to through-flow fan 7 one side transversely to mesh and has same rack 13, rack 13 sliding connection is located casing 1 internal position department top in wind channel 5, rack 13 is close to through-flow fan 7 one side intermediate position department and is equipped with connecting block 14, connecting block 14 intermediate position department transversely inserts in reciprocating lead screw 15, reciprocating lead screw 15 both ends symmetry rotation cover is equipped with mount pad 16, mount pad 16 advances to be fixed in same wind channel 5 and is located casing 1 internal position department top, connecting block 14 is located wind channel 5 top along reciprocating lead screw 15 axial sliding connection, reciprocating lead screw 15 one end is equipped with the joint drive module that is used for controlling reciprocating lead screw 15 rotation, joint drive module is including cover locates worm wheel 17 of reciprocating lead screw 15 one side vertical meshing of motor 9, worm 18 is close to motor 9, worm 18 bottom rotation is connected in the top of belt pulley 5, worm 18 cover is equipped with the top of the wind channel 1, the turbine wheel drive module is equipped with the air outlet hole 19 is equipped with the same wind channel 1, the outer peripheral cover is equipped with the same wind channel 1 is located 1, the outer peripheral position of the filter screen 1 is located between the wind channel 1 is located 1, and is far from the wind channel 1 is equipped with the outer peripheral cover 1, the wind channel is equipped with the air outlet hole 20, the inside is located between the wind channel 1 is located 1 is far from the casing 1, the inside is located between the wind channel 1 is equipped with the air outlet hole is located 1.

The working principle of the embodiment is as follows: when the cooling fan is used, the motor 9 is started, the rotating shaft 6 is driven to rotate by the output shaft of the motor 9, the through-flow fan 7 is driven to rotate when the rotating shaft 6 rotates, external cold air is sucked into the air duct 5 after being filtered by the filter screen 8 and is blown to the photovoltaic inverter main body 3 when the through-flow fan 7 rotates, heat is dissipated, air is discharged out of the inside of the shell through the air outlet 4 at the top after heat exchange, when the cooling is conducted, in order to improve the cooling area, the cooling dead angle is reduced, the worm 18 is driven to rotate through the cooperation of the belt pulley 19 and the transmission belt 20 when the rotating shaft 6 rotates, the reciprocating screw 15 is driven to rotate under the cooperation of the worm wheel 17 and the mounting seat 16, the rack 13 is driven to horizontally reciprocate along the connecting direction with the top of the air duct 5 when the reciprocating screw 15 rotates, the rack 13 is driven to synchronously rotate under the effect of the gear 12 when the rack 13 slides, the air deflector 10 is driven to simultaneously rotate when the rack 11 rotates, the air deflector 10 is driven to simultaneously rotate, the cold air sucked by the through-flow fan 7 is guided in a plurality of angles when the air deflector 10 rotates, so that the cooling dead angle is changed, the cooling area is simultaneously improved, the cooling efficiency is improved, the cooling cost is greatly reduced, and the cooling cost is greatly reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a high-efficient radiating photovoltaic inverter casing, includes casing (1), its characterized in that, casing (1) opening one side is equipped with cap (2), casing (1) inside is close to cap (2) one side and is equipped with photovoltaic inverter main part (3), casing (1) are kept away from cap (2) one side central point puts department and are inserted and are equipped with wind channel (5), wind channel (5) are located the vertical symmetry rotation of inside one end of casing (1) and insert and be equipped with bull stick (11), bull stick (11) are located the equal cover in position department outer peripheral face between wind channel (5) inner wall and are equipped with aviation baffle (10), wind channel (5) are kept away from casing (1) one side and are equipped with the cooling module that is used for cooling for photovoltaic inverter main part (3), bull stick (11) top is equipped with and is used for controlling the rotatory reciprocal drive assembly of aviation baffle (10).

2. The photovoltaic inverter housing with efficient heat dissipation according to claim 1, wherein the heat dissipation assembly comprises a rotating shaft (6) rotatably inserted in the middle position of one end top of the air duct (5) far away from the housing (1), a through-flow fan (7) is sleeved on the outer peripheral surface of the rotating shaft (6) at the inner position of the air duct (5), a motor (9) is coaxially arranged at the top of the rotating shaft (6), and an output shaft of the motor (9) is coaxially connected with the top of the rotating shaft (6).

3. The photovoltaic inverter housing with efficient heat dissipation according to claim 2, wherein the reciprocating drive assembly comprises gears (12) sleeved at the top of the rotating rod (11), the gears (12) are transversely meshed with the same rack (13) close to one side of the through-flow fan (7), the rack (13) is slidably connected to the top of the air duct (5) at the inner position of the housing (1), a connecting block (14) is arranged at the central position of one side of the rack (13) close to the through-flow fan (7), a reciprocating screw (15) is transversely inserted at the central position of the connecting block (14), mounting seats (16) are symmetrically sleeved at two ends of the reciprocating screw (15), the mounting seats (16) are fixedly arranged at the top of the inner position of the housing (1), the connecting block (14) is axially slidably connected to the top of the air duct (5) along the reciprocating screw (15), and one end of the reciprocating screw (15) is provided with a combined drive assembly for controlling the rotation of the reciprocating screw (15).

4. The photovoltaic inverter housing with efficient heat dissipation according to claim 3, wherein the combined transmission assembly comprises a worm wheel (17) sleeved at one end of the reciprocating screw rod (15), a worm (18) is vertically meshed at one side of the worm wheel (17) close to the motor (9), the bottom of the worm (18) is rotationally connected to the top of the air duct (5), a belt pulley (19) is sleeved at the top of the worm (18), the combined transmission assembly further comprises a belt pulley (19) sleeved at the outer peripheral surface of the rotating shaft (6) close to the position between the motor (9) and the air duct (5), and the belt pulley (19) is sleeved with the same transmission belt (20).

5. The photovoltaic inverter housing with high heat dissipation according to claim 4, wherein a plurality of air outlet holes (4) are formed in the top of the housing (1), and the air outlet holes (4) are communicated with the inside of the housing (1).

6. The photovoltaic inverter housing with high heat dissipation according to claim 5, wherein a filter screen (8) is inserted into an inner wall of one end of the air duct (5) far away from the housing (1).